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Can't rename Windows volume in Startup Manager

 2 years ago
source link: https://forums.macrumors.com/threads/cant-rename-windows-volume-in-startup-manager.2356767/
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Can't rename Windows volume in Startup Manager

tinygoblin

macrumors member

Original poster

This is addressed primarily to owners of 2019 16-inch MacBook Pro with Boot Camp volume on internal SSD.

I'm want to set Boot Camp volume (located on internal SSD) label (name) displayed in Startup Manager (Option-boot, bootloader) to something different than Windows. The commands I use are listed everywhere on the Internet:

Code: 
sudo diskutil mount disk0s1
sudo bless --folder /Volumes/EFI/EFI/Boot --label "Boot Camp"
sudo diskutil unmount disk0s1

But this doesn't work!

However very same commands work perfectly for similar Boot Camp volume on my external SSD:

Code: 
sudo diskutil mount disk4s1
sudo bless --folder /Volumes/EFI/EFI/Boot --label "Boot Camp"
sudo diskutil unmount disk4s1

I suspect it's a firmware bug. But I only have a single laptop to troubleshoot (system firmware 1731.100.130.0.0, iBridge 19.16.14243.0.0,0, BridgeOS 6.4).

Would a fellow owner of similar laptop (or any Mac with T2 security chip since firmware is the same across all of them) double-check if bless command is working or not on their internal SSD's Windows volume and report back firmware version?

Please help me figure out if it's a firmware bug I'm dealing with.

P.S. Command that returns firmware version is:

Code: 
system_profiler SPHardwareDataType

P.P.S. Here're sources of my research: zero, one, two, three, four, five.

P.P.P.S. This is cross-post of this & this threads.


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